While on vacation in Las Vegas, David orally bets Ralph $1,000 that the Cowboys will go to the Super Bowl in 2022. If the Cowboys go, Ralph will pay David $1,000. If they don't go, David will pay Ralph $1,000. If Ralph accepts the bet, this is:

Group of answer choices

A. A contract that is void because of impossibility

B. An illegal wagering contract that will not be enforced, even in Las Vegas where the bet was made

C. Unenforceable, because the bet was for more than $500 and so the contract had to be in writing

D. A contract without consideration and therefore unenforceable

E. A valid bilateral contract because sports wagering is legal in Las Vegas